diff --git a/packages/server/src/integrations/postgres.ts b/packages/server/src/integrations/postgres.ts
index c981c3acc5..4fb786a409 100644
--- a/packages/server/src/integrations/postgres.ts
+++ b/packages/server/src/integrations/postgres.ts
@@ -18,7 +18,7 @@ import Sql from "./base/sql"
 import { PostgresColumn } from "./base/types"
 import { escapeDangerousCharacters } from "../utilities"
 
-const { Client, types } = require("pg")
+import { Client, types } from "pg"
 
 // Return "date" and "timestamp" types as plain strings.
 // This lets us reference the original stored timezone.
@@ -114,7 +114,7 @@ const SCHEMA: Integration = {
 }
 
 class PostgresIntegration extends Sql implements DatasourcePlus {
-  private readonly client: any
+  private readonly client: Client
   private readonly config: PostgresConfig
   private index: number = 1
   private open: boolean
@@ -163,7 +163,7 @@ class PostgresIntegration extends Sql implements DatasourcePlus {
     if (!this.config.schema) {
       this.config.schema = "public"
     }
-    this.client.query(`SET search_path TO ${this.config.schema}`)
+    await this.client.query(`SET search_path TO ${this.config.schema}`)
     this.COLUMNS_SQL = `select * from information_schema.columns where table_schema = '${this.config.schema}'`
     this.open = true
   }
diff --git a/packages/server/src/migrations/functions/backfill/app/queries.ts b/packages/server/src/migrations/functions/backfill/app/queries.ts
index e66c7af841..e028721bce 100644
--- a/packages/server/src/migrations/functions/backfill/app/queries.ts
+++ b/packages/server/src/migrations/functions/backfill/app/queries.ts
@@ -33,7 +33,7 @@ export const backfill = async (appDb: any, timestamp: string | number) => {
         datasource = {
           type: "unknown",
           _id: query.datasourceId,
-          source: SourceName.UNKNOWN,
+          source: "unknown" as SourceName,
         }
       } else {
         throw e
diff --git a/packages/types/src/sdk/datasources.ts b/packages/types/src/sdk/datasources.ts
index 605b431d9e..938f4c9340 100644
--- a/packages/types/src/sdk/datasources.ts
+++ b/packages/types/src/sdk/datasources.ts
@@ -55,7 +55,6 @@ export enum SourceName {
   FIRESTORE = "FIRESTORE",
   REDIS = "REDIS",
   SNOWFLAKE = "SNOWFLAKE",
-  UNKNOWN = "unknown",
 }
 
 export enum IncludeRelationship {